<?php

/**
 * Zend Framework
 * LICENSE
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 * @category Zend
 * @package Zend_Log
 * @subpackage Formatter
 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
 * @license http://framework.zend.com/license/new-bsd New BSD License
 * @version $Id: Simple.php 20096 2010-01-06 02:05:09Z bkarwin $
 */
/**
 * Zend_Log_Formatter_Interface
 */
// require_once 'Zend/Log/Formatter/Interface.php';
/**
 *
 * @category Zend
 * @package Zend_Log
 * @subpackage Formatter
 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
 * @license http://framework.zend.com/license/new-bsd New BSD License
 * @version $Id: Simple.php 20096 2010-01-06 02:05:09Z bkarwin $
 */
class Zend_Log_Formatter_Simple implements Zend_Log_Formatter_Interface {

    /**
     *
     * @var string
     */
    protected $_format;

    const DEFAULT_FORMAT = '%timestamp% %priorityName% (%priority%): %message%';

    /**
     * Class constructor
     * @param null|string $format Format specifier for log messages
     * @throws Zend_Log_Exception
     */
    public function __construct ($format = null) {
        if ($format === null) {
            $format = self::DEFAULT_FORMAT . PHP_EOL;
        }
        if ( ! is_string ($format)) {
            // require_once 'Zend/Log/Exception.php';
            throw new Zend_Log_Exception ('Format must be a string');
        }
        $this -> _format = $format;
    }

    /**
     * Formats data into a single line to be written by the writer.
     * @param array $event event data
     * @return string formatted line to write to the log
     */
    public function format ($event) {
        $output = $this -> _format;
        foreach ($event as $name => $value) {
            if ((is_object ($value) &&  ! method_exists ($value, '__toString')) || is_array ($value)) {
                $value = gettype ($value);
            }
            $output = str_replace ("%$name%", $value, $output);
        }
        return $output;
    }

}
